{
  "model_id": "SOC.072",
  "name": "Mass Archive Of Home Directory",
  "description": "tar or zip archiving /home — data staging before exfiltration.",
  "threshold": 0.8,
  "evaluations": [
    {
      "name": "Tar",
      "type": "comparison",
      "left": "event.raw.comm",
      "operator": "IN",
      "right": [
        "tar",
        "zip",
        "7z",
        "rar"
      ],
      "weight": 4
    },
    {
      "name": "HomeTarget",
      "type": "comparison",
      "left": "event.raw.cmdline",
      "operator": "LIKE",
      "right": "%/home%",
      "weight": 5
    },
    {
      "name": "Logic",
      "type": "logical",
      "operator": "AND",
      "operands": [
        "Tar",
        "HomeTarget"
      ],
      "weight": 5
    }
  ],
  "actions": [
    {
      "type": "emit_alert",
      "reason": "Mass archiving of /home — data staging for exfiltration."
    }
  ],
  "mitre_tactics": [
    "Collection"
  ],
  "mitre_techniques": [
    "T1560.001",
    "T1005"
  ],
  "severity": "critical",
  "observables": [
    "event.actor.exe",
    "event.actor.user"
  ]
}